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A Did you file an amended Federal return? Yes No
Office Use Only
The Oklahoma Tax Commission is not required to give actual notice to taxpayers of changes in any state tax law.
If the Oklahoma Tax Commission may discuss this return with your tax preparer, please check here:
Make check payable
to the Oklahoma
Tax Commission
Under penalties of perjury, I declare that I have filed an original return, and that I have examined this return, including
accompanying schedules and statements, and to the best of my knowledge and belief, this amended return is true, cor-rect
and complete. Declaration of preparer (other than taxpayer) is based on all information of which preparer has any
knowledge.
Corporate
Seal
Signature of officer Date
Title
Preparer’s address
Area code and
phone number
Printed name of officer
Printed name of preparer
Enclose a copy of Federal Return
Oklahoma Amended Corporation
Income Tax Return
Tax Year
Mail to: Oklahoma Tax Commission, Post Office Box 26800, Oklahoma City, OK 73126-0800
For the year January 1 - December 31, _____ , or other taxable
year beginning _______________________________, ______
ending ____________________________________, _______.
Corporate Name:
Street Address:
City, State and Zip:
A. Federal I.D. Number: B. Business Code Number:
C. Type of Business:
B If this return is being filed due to a Federal audit, please furnish a complete copy of the RAR.
Enclose a copy of IRS Form 1120X or 1139 and a copy of “Statement of Adjustment”, IRS refund check or deposit slip.
Oklahoma taxable income (as shown on Schedule A or B)..............................................................
Tax: 6% (for Tax Years beginning on or after January 1, 1990).......................................................
Investment/New Jobs Credit (please enclose Form 506)................
Gas Used in Manufacturing (see instructions & enclose schedule)....
Credit for Biomedical Research Contribution..........................
Other Credits (total from Form 511CR) (see instructions) ....
Total of lines 3 through 6.........................................................................................................
Balance of tax due (line 2 less line 7, but not less than zero).................................................
A Amount paid on estimate.............................................................
B Amount paid with extension request...........................................
C Oklahoma withholding (enclose Form 1099, 500A or 500B)...................
Amount paid with original return and amount paid after it was filed.....
Less any refunds or overpayment applied......................................
Total of lines 9 through 11........................................................................................................
Refund (line 12 less line 8) (cannot be applied to estimated tax).....................................Refund
Tax Due (line 8 minus line 12)................................................................................... Tax Due
Interest from_______________________to _ ________________________ ........................
Total tax and interest..........................................................................................Balance Due
Less:
lines 3-6
1
2
7
8
12
13
14
15
16
3
4
5
6
9a
9b
9c
10
11
00
00
00
00
00
00
00
00
00
123456789
10
11
12
13
14
15
16
Signature of preparer Date
Area code and
phone number
00
00
00
00
00
00
00
00
00
Form 512-X Revised 2009

A Did you file an amended Federal return? Yes No
Office Use Only
The Oklahoma Tax Commission is not required to give actual notice to taxpayers of changes in any state tax law.
If the Oklahoma Tax Commission may discuss this return with your tax preparer, please check here:
Make check payable
to the Oklahoma
Tax Commission
Under penalties of perjury, I declare that I have filed an original return, and that I have examined this return, including
accompanying schedules and statements, and to the best of my knowledge and belief, this amended return is true, cor-rect
and complete. Declaration of preparer (other than taxpayer) is based on all information of which preparer has any
knowledge.
Corporate
Seal
Signature of officer Date
Title
Preparer’s address
Area code and
phone number
Printed name of officer
Printed name of preparer
Enclose a copy of Federal Return
Oklahoma Amended Corporation
Income Tax Return
Tax Year
Mail to: Oklahoma Tax Commission, Post Office Box 26800, Oklahoma City, OK 73126-0800
For the year January 1 - December 31, _____ , or other taxable
year beginning _______________________________, ______
ending ____________________________________, _______.
Corporate Name:
Street Address:
City, State and Zip:
A. Federal I.D. Number: B. Business Code Number:
C. Type of Business:
B If this return is being filed due to a Federal audit, please furnish a complete copy of the RAR.
Enclose a copy of IRS Form 1120X or 1139 and a copy of “Statement of Adjustment”, IRS refund check or deposit slip.
Oklahoma taxable income (as shown on Schedule A or B)..............................................................
Tax: 6% (for Tax Years beginning on or after January 1, 1990).......................................................
Investment/New Jobs Credit (please enclose Form 506)................
Gas Used in Manufacturing (see instructions & enclose schedule)....
Credit for Biomedical Research Contribution..........................
Other Credits (total from Form 511CR) (see instructions) ....
Total of lines 3 through 6.........................................................................................................
Balance of tax due (line 2 less line 7, but not less than zero).................................................
A Amount paid on estimate.............................................................
B Amount paid with extension request...........................................
C Oklahoma withholding (enclose Form 1099, 500A or 500B)...................
Amount paid with original return and amount paid after it was filed.....
Less any refunds or overpayment applied......................................
Total of lines 9 through 11........................................................................................................
Refund (line 12 less line 8) (cannot be applied to estimated tax).....................................Refund
Tax Due (line 8 minus line 12)................................................................................... Tax Due
Interest from_______________________to _ ________________________ ........................
Total tax and interest..........................................................................................Balance Due
Less:
lines 3-6
1
2
7
8
12
13
14
15
16
3
4
5
6
9a
9b
9c
10
11
00
00
00
00
00
00
00
00
00
123456789
10
11
12
13
14
15
16
Signature of preparer Date
Area code and
phone number
00
00
00
00
00
00
00
00
00
Form 512-X Revised 2009